JP5284124B2 - リニアアクチュエータ及びフォークリフト - Google Patents

リニアアクチュエータ及びフォークリフト Download PDF

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Publication number
JP5284124B2
JP5284124B2 JP2009013006A JP2009013006A JP5284124B2 JP 5284124 B2 JP5284124 B2 JP 5284124B2 JP 2009013006 A JP2009013006 A JP 2009013006A JP 2009013006 A JP2009013006 A JP 2009013006A JP 5284124 B2 JP5284124 B2 JP 5284124B2
Authority
JP
Japan
Prior art keywords
roller
screw shaft
linear actuator
rolling
central axis
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2009013006A
Other languages
English (en)
Japanese (ja)
Other versions
JP2010169205A5 (enrdf_load_stackoverflow
JP2010169205A (ja
Inventor
功 早瀬
賢二 平工
弘幸 山田
正巳 落合
勇一 柳
伸哉 関山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2009013006A priority Critical patent/JP5284124B2/ja
Application filed by Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to CN200980155130XA priority patent/CN102292568A/zh
Priority to PCT/JP2009/071682 priority patent/WO2010084693A1/ja
Priority to US13/145,827 priority patent/US20120012425A1/en
Priority to EP09838883A priority patent/EP2390532A1/en
Priority to KR1020117017030A priority patent/KR20110119653A/ko
Publication of JP2010169205A publication Critical patent/JP2010169205A/ja
Publication of JP2010169205A5 publication Critical patent/JP2010169205A5/ja
Application granted granted Critical
Publication of JP5284124B2 publication Critical patent/JP5284124B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/08—Masts; Guides; Chains
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/24—Electrical devices or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/22—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members
    • F16H25/2247—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers
    • F16H25/2261—Screw mechanisms with balls, rollers, or similar members between the co-operating parts; Elements essential to the use of such members with rollers arranged substantially perpendicular to the screw shaft axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/18—Mechanical movements
    • Y10T74/18568—Reciprocating or oscillating to or from alternating rotary
    • Y10T74/18576—Reciprocating or oscillating to or from alternating rotary including screw and nut

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Chemical & Material Sciences (AREA)
  • Transmission Devices (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Rolling Contact Bearings (AREA)
JP2009013006A 2009-01-23 2009-01-23 リニアアクチュエータ及びフォークリフト Expired - Fee Related JP5284124B2 (ja)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP2009013006A JP5284124B2 (ja) 2009-01-23 2009-01-23 リニアアクチュエータ及びフォークリフト
PCT/JP2009/071682 WO2010084693A1 (ja) 2009-01-23 2009-12-25 リニアアクチュエータ及びフォークリフト
US13/145,827 US20120012425A1 (en) 2009-01-23 2009-12-25 Linear actuator and forklift truck
EP09838883A EP2390532A1 (en) 2009-01-23 2009-12-25 Linear actuator and forklift
CN200980155130XA CN102292568A (zh) 2009-01-23 2009-12-25 直线运动执行器及叉车
KR1020117017030A KR20110119653A (ko) 2009-01-23 2009-12-25 리니어 액추에이터 및 포크리프트

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009013006A JP5284124B2 (ja) 2009-01-23 2009-01-23 リニアアクチュエータ及びフォークリフト

Publications (3)

Publication Number Publication Date
JP2010169205A JP2010169205A (ja) 2010-08-05
JP2010169205A5 JP2010169205A5 (enrdf_load_stackoverflow) 2010-09-16
JP5284124B2 true JP5284124B2 (ja) 2013-09-11

Family

ID=42355756

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2009013006A Expired - Fee Related JP5284124B2 (ja) 2009-01-23 2009-01-23 リニアアクチュエータ及びフォークリフト

Country Status (6)

Country Link
US (1) US20120012425A1 (enrdf_load_stackoverflow)
EP (1) EP2390532A1 (enrdf_load_stackoverflow)
JP (1) JP5284124B2 (enrdf_load_stackoverflow)
KR (1) KR20110119653A (enrdf_load_stackoverflow)
CN (1) CN102292568A (enrdf_load_stackoverflow)
WO (1) WO2010084693A1 (enrdf_load_stackoverflow)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5178675B2 (ja) * 2009-09-28 2013-04-10 日立建機株式会社 リニアアクチュエータ
JP2012189172A (ja) * 2011-03-11 2012-10-04 Hitachi Constr Mach Co Ltd リニアアクチュエータ装置
JP5824530B2 (ja) 2011-12-14 2015-11-25 株式会社日立製作所 ローラねじ
JP2013130281A (ja) * 2011-12-22 2013-07-04 Hitachi Ltd ローラねじ
JP6016534B2 (ja) * 2012-09-03 2016-10-26 ユニキャリア株式会社 電動式リフト装置およびこの電動式リフト装置を使用したフォークリフト
WO2017015046A1 (en) 2015-07-17 2017-01-26 Crown Equipment Corporation Processing device having a graphical user interface for industrial vehicle
EP4180928B1 (en) 2016-11-22 2025-01-01 Crown Equipment Corporation User interface device for industrial vehicle
EP3591262B1 (en) 2017-04-12 2022-08-24 Goodrich Actuation Systems Limited Linear actuator
JP7092469B2 (ja) * 2017-06-29 2022-06-28 日本電産サンキョー株式会社 産業用ロボットのハンドおよび産業用ロボット
EP4212473B1 (en) 2022-01-13 2024-04-17 Tata Consultancy Services Limited Chassis with an integrated fork assembly for autonomous mobile robots and autonomous guided vehicles
CZ310045B6 (cs) * 2022-07-19 2024-06-12 České vysoké učení technické v Praze Pohybový závitový mechanizmus

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US431067A (en) * 1890-07-01 Anti-friction gearing for threaded rods
US1407124A (en) * 1920-08-24 1922-02-21 William C Carr Elevator truck
US2488256A (en) * 1944-03-07 1949-11-15 Electrolux Corp Ball bearing jack screw
US2393764A (en) * 1944-04-22 1946-01-29 Frank Louis Adjustable nut
US2938400A (en) * 1956-02-02 1960-05-31 John T Gondek Screw thread
CH437700A (fr) * 1965-07-22 1967-06-15 Villars Julio Elévateur pour automobiles
DE3225496A1 (de) * 1982-07-08 1984-01-12 AMD-Vertriebsgesellschaft für Antriebstechnik mbH, 5800 Hagen Linearantrieb mit gewindespindel und waelzringmutter
JPS60136661A (ja) * 1983-12-24 1985-07-20 Kazuo Fujita ロ−ラスクリユウ
JPS6140770U (ja) * 1984-08-20 1986-03-14 ソニー株式会社 ヘツドのねじ送り機構
US5533417A (en) * 1993-04-12 1996-07-09 Hughes Aircraft Company Leadscrew assembly
SE505153C2 (sv) * 1996-08-23 1997-07-07 Kolungen Ab Element för omvandlande av en skruvspindels vridrörelse till axiell rörelse hos en mutter
JP2001106493A (ja) * 1999-10-08 2001-04-17 Murata Mach Ltd 無人フォークリフト
US7143661B2 (en) * 2002-10-15 2006-12-05 Raytheon Company Leadscrew mechanical drive with differential leadscrew follower structure and brake
JP2004190767A (ja) 2002-12-10 2004-07-08 Nsk Ltd ローラねじ装置
WO2007066965A1 (en) * 2005-12-07 2007-06-14 Winner Bearings Co., Ltd. Bearing screw feed device
US20090308192A1 (en) * 2008-06-17 2009-12-17 Hiwin Technologies Corp. Ball screw device having bearing members of different load

Also Published As

Publication number Publication date
EP2390532A1 (en) 2011-11-30
WO2010084693A1 (ja) 2010-07-29
KR20110119653A (ko) 2011-11-02
CN102292568A (zh) 2011-12-21
US20120012425A1 (en) 2012-01-19
JP2010169205A (ja) 2010-08-05

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